US6020082A - Integrated battery identification system and method for determination of battery type and voltage level operability - Google Patents
Integrated battery identification system and method for determination of battery type and voltage level operability Download PDFInfo
- Publication number
- US6020082A US6020082A US09/026,284 US2628498A US6020082A US 6020082 A US6020082 A US 6020082A US 2628498 A US2628498 A US 2628498A US 6020082 A US6020082 A US 6020082A
- Authority
- US
- United States
- Prior art keywords
- battery
- conductive
- appliance
- defining
- elongated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title description 3
- 238000001514 detection method Methods 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 239000010408 film Substances 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
- H01M6/5066—Type recognition
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4221—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells with battery type recognition
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the field of the present invention relates to battery type identification and operability determination and more particularly to integrated battery identification systems and methods for determining the types of non-rechargeable batteries powering selected appliances.
- the related art is not known to address technical issues relating to identification of battery type and determination of operability status in view of the type of battery used with a particular appliance, such as for example without limitation a mobile computer, a pager, or other communication device.
- Particular appliances include electrical systems for measuring the voltage levels of batteries used to power a particular device.
- Different batteries as is well known, however have different voltage characteristics as a function of time. In particular, one battery may decline gradually in power, leaving ample time for replacement. Other batteries decline dramatically at the end of useful lifetime. In each case, it is useful to assess the current voltage level in view of its particular battery type. It is not known whether a current system exists for establishing battery type electrically as a function independent of the actual measurement of the existing voltage level of the subject battery.
- a battery has conductive ends of opposite polarity and an outer surface electrically isolating the conductive ends of the battery.
- the outer surface of the battery has multiple zones bands of selected conductivity according to one embodiment of the present invention to define a coded binary word indicating the battery type. The binary word is compared with predetermined type identification information stored in a memory according to the present invention.
- the conductivity of the respective bands is detected by a detection element array according to one embodiment of the present invention.
- the detection array is mounted in a battery cavity of the subject appliance.
- the detection array is mounted onto a mounting surface of the subject appliance. If a particular band is non-conductive according to one embodiment of the present invention, the corresponding detection element senses that the particular band exhibits an electrical state of non-conductivity. Similarly, if the band is conductive, the status of that band as being conductive is noted as well by a detection element according to one embodiment of the present invention.
- the type of a particular battery is identified and an assessment of the adequacy of the current power level for battery operability is made.
- FIG. 1 is a side schematic diagram of a battery including a conductive band divided into a predetermined number of cylindrical sensing zones according to an embodiment of the present invention.
- FIG. 2 is a side schematic diagram of a battery including a conductive band having selected non-conducting layers superimposed over selected zones of the conductive band according to one embodiment of the present invention.
- FIG. 3 is a side schematic diagram of a battery including a conductive band having selected non-conducting layers superimposed over the conductive band, including a plurality of sensing elements each including a biased electrical contact and a connected or associated output line for carrying electric current according to one embodiment of the present invention.
- FIG. 4 is a block diagram of a battery identification system according to the present invention, including a regulator, a controller, a memory and a plurality of resistors.
- FIG. 5 is a flow chart of battery identification and operational status determination according to one embodiment of the present invention.
- FIG. 1 is a side schematic diagram of an electric battery 3 configured according to one embodiment of the present invention.
- battery 3 includes an electrically conductive positive voltage terminal 4; an electrically conductive negative voltage terminal 5, a non-conductive central body including a central surface region (CSR) 6 electrically isolating the positive and negative voltage terminals from each other, and a conductive band 7 divided into a predetermined number of virtual identification sensing zones 21-25 according to one embodiment of the present invention.
- Conductive band 7 according to one embodiment of the present invention is fabricated with a foil layer, or film of a selected conductive material such as copper or silver for example without limitation. According to one embodiment of the present invention, the conductive material is secured onto CSR 6 during fabrication with an adhesive or epoxy.
- Conductive band 7 includes a plurality of spaced virtual identification zones of the same or different conductivity level.
- the foil or other conductive material is deposited or otherwise secured substantially according to one embodiment of the present invention around the circumference of the battery 3.
- each virtual identification sensing zone is a separate circumferential or substantially circumferential foil.
- FIG. 2 is a side schematic diagram of a battery including electrically conductive positive voltage terminal 4, an electrically conductive negative voltage terminal 5, a non-conductive central body including a central surface region (CSR) 6 electrically isolating the positive and negative voltage terminals from each other, and a conductive band 7 divided into a predetermined number of virtual identification sensing zones 21-25 and non-conductive electrically detective identification band having variably applicable non-conducting layers 32 and 35 superimposably settable over the conductive electrically detective identification band according to one embodiment of the present invention.
- the non-conductive layers 32, 35 include first layer 32 secured over second zone 22 of conductive band (CB) 7 and second layer 35 secured over fifth zone 25 of conductive band 7.
- first and second layers 32 and 35 are secured over corresponding zones 22 and 25 of CB 7 by applying or sputtering non-conductive paint or another material in a sufficient amount and distribution over the applicable regions of CB 7.
- Layers 32 and 35 are thick film or thin film layers (e.g., including thick thin film or thin thick film) according to well known sputtering or deposition arts.
- the settability of conductive and non-conductive bands at circumferential zones at specified attitudes or latitudes of battery 43 permits establishment of coding according to the present invention.
- FIG. 3 is a side schematic diagram of a battery including electrically conductive negative voltage terminal 5, a non-conductive central body including a central surface region (CSR) 6 electrically isolating the positive and negative voltage terminals from each other, and a conductive band 7 divided into a predetermined number of virtual identification sensing zones 21-25, and non-conductive electrically detective identification bands having selected non-conducting layers superimposed over the conductive band 7, including a plurality of sensing elements, each including a biased electrical contact and a connected output line for carrying electric current, according to one embodiment of the present invention.
- each of zones 21-25 in conductive band 7 is electrically interconnected and grounded, as is the negative pole 5 of battery 3.
- battery 3 is placed within a selected electrical appliance (not shown) such as a communications device, a pager, or a cellular telephone for example.
- the particular appliance or other device includes a plurality of parallel electric leads 51-55, for example.
- leads 51-55 is connected to a corresponding contact 41-45 which is biased in a selected fashion, such as by biasing the contacts to a predetermined setting or position prior to battery insertion in the appliances, or by constructing a spring biasing arrangement for example which ensures lateral contact with corresponding zones or regions of a subsequently inserted battery for the respective contacts.
- Contact 41 is electrically in contact with band 7 at its zone 21.
- Contact 42 is electrically in contact with non-conducting layer 32.
- Contact 43 is in contact with band 7 at zone 23.
- Contact 44 is in contact with non-conducting layer 35.
- contacts 41, 43 and 44 are thus each grounded and produce a logical state zero output value in corresponding sense lines 51, 53 and 54.
- the remaining sense lines 52 and 55 produce corresponding logical state one values based upon the electrically non-conducting nature of layers 32 and 35.
- sense lines 52-55 produce a word bit sequence according to one embodiment of the present invention including the logical values one, zero, zero, one (i.e., "1001") which can be used to identify the type of battery on which this particular sequence of conductive and non-conductive bands is patterned.
- word bit sequence including the logical values one, zero, zero, one (i.e., "1001") which can be used to identify the type of battery on which this particular sequence of conductive and non-conductive bands is patterned.
- a four bit word 2 n 16 different battery types can be identified with the band patterning shown on selected batteries. This permits the appliances using these batteries to identify their types to enable voltage and operability monitoring by stored characteristics of particular battery types.
- FIG. 4 is a block diagram of a battery identification system according to one embodiment of the present invention.
- the battery identification system 139 includes a battery 3, a voltage regulator 140, a controller 150, a memory 151, a plurality of resistors 160 including first through fourth resistors 161-164 connected to regulator 140.
- Battery 3 and controller 150 are each grounded and each is further connected to regulator 140.
- Battery 3 particularly provides power to regulator 140 at its positive terminal.
- Regulator 140 provides a regulated voltage level VCC to controller 150 and resistors 160 including resistors 161-164 which are connected to corresponding lines 52-55 to provide respective sense inputs 51-54 to controller 150.
- Controller 150 connected to the memory 151 and is programmed according to the present invention to identify battery types from logical state code words input along sense lines 52-55 to determine which of a number of battery kinds are sensed according to the predetermined width of a word including sense inputs 51-54. Controller 150 is additionally provided with the positive voltage level VBATT of battery 3 to evaluate the operational status of battery 3 in view of how far along the battery voltage is on a characteristic of battery lifetime, for the particular battery kind which has been identified according to the present invention. Respective sense lines 52-54 are connected to VCC through respective resistors 161-164 to obtain a pull-up bias for the respective inputs 51-54 before and during battery installation.
- FIG. 5 is a flow chart of battery identification and operational status determination according to the present invention.
- controller 150 reads 501 sense inputs 51-54 to determine their respective logical states upon measuring a selected battery for its particular coding arrangement or sequence.
- Controller 150 maintains a battery database which according to one embodiment of the present invention defines the correspondence of codes of logical states with battery types.
- a look-up table or a programmed read only memory (ROM) is used according to one embodiment of the present invention to relate particular codes with corresponding kinds of batteries.
- the input logical code which has been read is compared 502 to the battery database identifying the kinds of batteries.
- the battery type is determined 503 according to the information held in the database.
- the level of battery voltage is read 504 on line VBATT in FIG. 4, for example.
- the read voltage is then compared 505 with a characteristic information about battery voltage over time characteristic of the particular battery type. By comparing the sensed voltage with the characteristic for the particular battery type, its operational status is determined, e.g., whether the battery is almost dead and needs replacement.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
Description
Claims (11)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/026,284 US6020082A (en) | 1998-02-19 | 1998-02-19 | Integrated battery identification system and method for determination of battery type and voltage level operability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/026,284 US6020082A (en) | 1998-02-19 | 1998-02-19 | Integrated battery identification system and method for determination of battery type and voltage level operability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US6020082A true US6020082A (en) | 2000-02-01 |
Family
ID=21830935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US09/026,284 Expired - Lifetime US6020082A (en) | 1998-02-19 | 1998-02-19 | Integrated battery identification system and method for determination of battery type and voltage level operability |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US6020082A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6433697B1 (en) * | 1998-08-25 | 2002-08-13 | Nokia Mobile Phones Ltd. | Communication appliance having an emergency battery as well as a method for setting up said communication appliance |
| US20030193312A1 (en) * | 2002-04-13 | 2003-10-16 | Ramsden Martin H. | Rechargeable battery having charging indicating means |
| US20040038087A1 (en) * | 2002-08-19 | 2004-02-26 | Luxon Energy Devices Corporation | Battery with built-in load leveling |
| US20040196006A1 (en) * | 2003-04-04 | 2004-10-07 | Ryuji Kawaguchi | Portable electronic applicance and battery |
| US20070024235A1 (en) * | 2005-07-28 | 2007-02-01 | Research In Motion Limited | Method and system for battery authentication for wireless and other devices |
| EP1755097A1 (en) * | 2005-07-28 | 2007-02-21 | Research In Motion Limited | Method and system for battery authentication for wireless and other devices |
| US20070123952A1 (en) * | 2004-02-12 | 2007-05-31 | Ndi Medical, Llc | Portable assemblies, systems, and methods for providing functional or therapeutic neurostimulation |
| US20070164702A1 (en) * | 2006-01-13 | 2007-07-19 | Universal Power Group | Battery cross-reference method and system |
| US20100036445A1 (en) * | 2008-08-01 | 2010-02-11 | Ndi Medical Llc. | Portable assemblies, systems, and methods for providing functional or therapeutic neurostimulation |
| EP2024018A4 (en) * | 2006-05-18 | 2010-04-21 | Ndi Medical Llc | Portable assemblies, systems, and methods for providing functional or therapeutic neurostimulation |
| US20130171481A1 (en) * | 2010-09-16 | 2013-07-04 | Sony Corporation | Battery pack and method of inspecting storage state of secondary battery in battery pack |
| WO2019118499A1 (en) * | 2017-12-12 | 2019-06-20 | Qualcomm Incorporated | Power management in an automotive vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3375136A (en) * | 1965-05-24 | 1968-03-26 | Army Usa | Laminated thin film flexible alkaline battery |
| US4313986A (en) * | 1979-02-05 | 1982-02-02 | Dennison Manufacturing Company | Chemically-resistant adhesives and labels |
| US4900643A (en) * | 1988-04-08 | 1990-02-13 | Globe-Union Inc. | Lead acid bipolar battery plate and method of making the same |
| US5059895A (en) * | 1990-04-04 | 1991-10-22 | Eastman Kodak Company | Battery voltmeter |
| US5460901A (en) * | 1992-09-29 | 1995-10-24 | Nokia Mobile Phones Limited | Battery identification |
| US5656917A (en) * | 1995-12-14 | 1997-08-12 | Motorola, Inc. | Battery identification apparatus and associated method |
-
1998
- 1998-02-19 US US09/026,284 patent/US6020082A/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3375136A (en) * | 1965-05-24 | 1968-03-26 | Army Usa | Laminated thin film flexible alkaline battery |
| US4313986A (en) * | 1979-02-05 | 1982-02-02 | Dennison Manufacturing Company | Chemically-resistant adhesives and labels |
| US4900643A (en) * | 1988-04-08 | 1990-02-13 | Globe-Union Inc. | Lead acid bipolar battery plate and method of making the same |
| US5059895A (en) * | 1990-04-04 | 1991-10-22 | Eastman Kodak Company | Battery voltmeter |
| US5460901A (en) * | 1992-09-29 | 1995-10-24 | Nokia Mobile Phones Limited | Battery identification |
| US5656917A (en) * | 1995-12-14 | 1997-08-12 | Motorola, Inc. | Battery identification apparatus and associated method |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6433697B1 (en) * | 1998-08-25 | 2002-08-13 | Nokia Mobile Phones Ltd. | Communication appliance having an emergency battery as well as a method for setting up said communication appliance |
| US20030193312A1 (en) * | 2002-04-13 | 2003-10-16 | Ramsden Martin H. | Rechargeable battery having charging indicating means |
| US6897634B2 (en) | 2002-04-13 | 2005-05-24 | Motorola, Inc. | Rechargeable battery having charging indicating means |
| US20040038087A1 (en) * | 2002-08-19 | 2004-02-26 | Luxon Energy Devices Corporation | Battery with built-in load leveling |
| US7186473B2 (en) | 2002-08-19 | 2007-03-06 | Luxon Energy Devices Corporation | Battery with built-in load leveling |
| US20040196006A1 (en) * | 2003-04-04 | 2004-10-07 | Ryuji Kawaguchi | Portable electronic applicance and battery |
| US7352152B2 (en) * | 2003-04-04 | 2008-04-01 | Fujifilm Corporation | Portable electronic appliance with a battery having a wireless tag containing battery information |
| US20080065182A1 (en) * | 2004-02-12 | 2008-03-13 | Ndi Medical, Llc. | Portable assemblies, systems, and methods for providing functional or therapeutic neurostimulation |
| US8086318B2 (en) | 2004-02-12 | 2011-12-27 | Ndi Medical, Llc | Portable assemblies, systems, and methods for providing functional or therapeutic neurostimulation |
| US20070123952A1 (en) * | 2004-02-12 | 2007-05-31 | Ndi Medical, Llc | Portable assemblies, systems, and methods for providing functional or therapeutic neurostimulation |
| US20070024235A1 (en) * | 2005-07-28 | 2007-02-01 | Research In Motion Limited | Method and system for battery authentication for wireless and other devices |
| EP1755097A1 (en) * | 2005-07-28 | 2007-02-21 | Research In Motion Limited | Method and system for battery authentication for wireless and other devices |
| US20070164702A1 (en) * | 2006-01-13 | 2007-07-19 | Universal Power Group | Battery cross-reference method and system |
| EP2024018A4 (en) * | 2006-05-18 | 2010-04-21 | Ndi Medical Llc | Portable assemblies, systems, and methods for providing functional or therapeutic neurostimulation |
| US20100036445A1 (en) * | 2008-08-01 | 2010-02-11 | Ndi Medical Llc. | Portable assemblies, systems, and methods for providing functional or therapeutic neurostimulation |
| US8463383B2 (en) | 2008-08-01 | 2013-06-11 | Ndi Medical, Inc. | Portable assemblies, systems, and methods for providing functional or therapeutic neurostimulation |
| US20130171481A1 (en) * | 2010-09-16 | 2013-07-04 | Sony Corporation | Battery pack and method of inspecting storage state of secondary battery in battery pack |
| US9966636B2 (en) * | 2010-09-16 | 2018-05-08 | Murata Manufacturing Co., Ltd. | Battery pack and method of inspecting storage state of secondary battery in battery pack |
| KR101938901B1 (en) | 2010-09-16 | 2019-01-15 | 가부시키가이샤 무라타 세이사쿠쇼 | Battery pack and method for detecting housing status of secondary battery in battery pack |
| WO2019118499A1 (en) * | 2017-12-12 | 2019-06-20 | Qualcomm Incorporated | Power management in an automotive vehicle |
| CN111465533A (en) * | 2017-12-12 | 2020-07-28 | 高通股份有限公司 | Power management in a motor vehicle |
| US11148552B2 (en) | 2017-12-12 | 2021-10-19 | Qualcomm Incorporated | Power management in an automotive vehicle |
| US11813941B2 (en) | 2017-12-12 | 2023-11-14 | Qualcomm Incorporated | Power management in an automotive vehicle |
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